Component Insulators, Mounts, Spacers

Image Part Number Description / PDF Quantity Rfq
7717-44NG

7717-44NG

Aavid

MOUNT CIRCULAR TO18 0.125"

0

7717-149DAPG

7717-149DAPG

Aavid

HEATSINK

0

8190-E40

8190-E40

Aavid

MOUNT RECTANGULAR TO220

0

7717-86NG

7717-86NG

Aavid

MOUNT CIRCULAR TO5 0.075"

0

7717-89DAPG

7717-89DAPG

Aavid

MOUNT CIRCULAR TO18 0.080"

0

7717-178NG

7717-178NG

Aavid

MOUNT CIRCULAR TO5 0.021"

0

7717-129DAPG

7717-129DAPG

Aavid

HEATSINK

0

43-02-37G

43-02-37G

Aavid

INSULATOR CIRCULAR 0.002"

0

7717-238NG

7717-238NG

Aavid

HEATSINK

0

43-02-4G

43-02-4G

Aavid

INSULATOR CIRCULAR 0.002"

0

B-470-235-40

B-470-235-40

Aavid

INSULATOR CIRCULAR 0.040"

0

7717-131DAPG

7717-131DAPG

Aavid

HEATSINK

0

7717-3NG

7717-3NG

Aavid

MOUNT CIRCULAR TO5 0.075"

0

8191-E40

8191-E40

Aavid

MOUNT RECTANGULAR TO220

0

56-02-10

56-02-10

Aavid

INSULATOR CIRC GEN PURP 0.002"

0

7717-22DAPG

7717-22DAPG

Aavid

MOUNT CIRCULAR TO5 0.075"

0

7717-6DAPG

7717-6DAPG

Aavid

HEATSINK

0

7717-161DAPG

7717-161DAPG

Aavid

HEATSINK

0

7717-4NG

7717-4NG

Aavid

MOUNT CIRCULAR TO5 0.075"

0

7717-46N

7717-46N

Aavid

MOUNT CIRCULAR TO18 0.060"

17620

Component Insulators, Mounts, Spacers

1. Overview

Component insulators, mounts, and spacers are essential hardware elements for mechanical support, electrical isolation, and positional alignment in electronic and industrial systems. Insulators prevent unintended current flow, mounts provide structural fixation, and spacers maintain precise gaps between components. Their importance spans across electronics, automotive, aerospace, and industrial equipment sectors.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Ceramic InsulatorsHigh voltage resistance, thermal stabilityPower transformers, switchgear
Plastic SpacersLightweight, corrosion-resistantConsumer electronics assembly
Panel MountsVibration damping, panel fixationIndustrial control cabinets
Conductive MountsEMI shielding, groundingTelecom equipment enclosures

3. Structure and Composition

Insulators typically feature dielectric materials (ceramic, polymer) with precise geometries. Mounts combine load-bearing structures (metal/zinc alloys) with damping elements (rubber/elastomers). Spacers exhibit cylindrical/square profiles with center holes, made from materials like nylon, aluminum, or stainless steel. Surface treatments include passivation for corrosion resistance and threaded features for secure assembly.

4. Key Technical Specifications

ParameterImportance
Dielectric Strength (kV/mm)Determines voltage isolation capability
Load Capacity (N)Structural integrity under mechanical stress
Temperature Range ( C)Operational stability in extreme environments
Material Hardness (Shore/Brinell)Affects wear resistance and damping performance
Thread Engagement DepthEnsures secure fastening in vibration-prone applications

5. Application Fields

  • Electronics Manufacturing: PCB mounting systems
  • Automotive: Battery pack insulation in EVs
  • Aerospace: Vibration damping for avionics
  • Industrial Machinery: Motor mounting systems
  • Telecommunications: RF shielding enclosures

6. Leading Manufacturers and Products

ManufacturerRepresentative Products
TE ConnectivityRaychem insulating boots, AMP Mounting Clips
3MDyneon polymer insulators
HellermannTytonFixMount vibration-damping brackets
PEMSelf-clinching spacers for sheet metal

7. Selection Recommendations

Key considerations include: environmental conditions (temperature, humidity), mechanical load requirements, electrical insulation needs, material compatibility with mating components, and regulatory certifications (UL, RoHS). For high-vibration environments, prioritize mounts with integrated damping features. In miniaturized electronics, select spacers with tight dimensional tolerances.

8. Industry Trends

Current developments focus on nanocomposite materials for enhanced dielectric properties, additive manufacturing for complex geometries, and integration of smart sensors in mounting systems. Market demands are driving toward miniaturization, multifunctional designs combining insulation with thermal management, and sustainable production processes using recycled polymers.

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